TB 9-6625-2193-35
6. Preliminary Instructions
a. The
instructions outlined in
paragraphs 6 and
7 are preparatory to the
calibration process. Personnel should become familiar with the entire bulletin
before beginning the calibration.
b. Items of equipment used in this procedure are referenced within the text by
c. Unless otherwise specified, verify the results of each test and, whenever the
test requirement is not met, take corrective action before continuing with the
calibration. Additional maintenance information is contained in the manufacturer's
manual for this TI.
d. When
indications specified in
paragraph 8 are not within
tolerance, perform
power supply check prior to making adjustments. If adjustments are made, repeat
paragraph 8. Do not
perform power supply
check if
parameter is within
tolerance.
e. Unless otherwise specified, all controls and control settings refer to the TI.
HIGH VOLTAGE is used or exposed during the
performance of this calibration. DEATH ON CONTACT
may result if personnel fail to observe safety precautions.
REDUCE OUTPUT(S) to minimum after each step within
the performance check where applicable.
a. Remove protective cover from TI only when necessary to make adjustments.
Replace cover after completing the adjustments.
b. Connect to an appropriate ac voltage source and press LINE switch to ON.
Allow at least 30 minutes for warm-up.
c. Set front panel ISOLATE switch to ISOLATE.
d. Press RECALL key, then press 0 key twice.
e. Press SHIFT and FILTER keys to ON.